Incoloy 926 Fasteners

Incoloy 926 Fasteners, Material Overview & Form Factors

Incoloy 926 is a high-performance alloy used wherever standard fasteners cannot meet the corrosion, temperature, or strength envelope. TorqBolt manufactures the full Incoloy 926 fastener range, bolts, nuts, screws, washers, studs, and custom forgings, under one ISO 9001:2015 quality system, with PED 2014/68/EU module-H qualification for pressure-equipment service.

Where Incoloy 926 Excels

Incoloy 926 is specified in oil & gas wellhead components, refinery heat exchangers, petrochemical reactors, power-generation turbines, marine offshore platforms, and pharmaceutical / food-grade processing. Its corrosion resistance, high-temperature strength, and weldability make it the default for service conditions outside the carbon and standard-stainless envelope.

Form Factors Available

Standards & Certification

Incoloy 926 fasteners are supplied with EN 10204 3.1 (mill cert) or 3.2 (third-party witnessed) material test reports as standard. Additional certification packages: NACE MR0175 / ISO 15156, NORSOK M-650, API 6A (wellhead), API 20E (subsea bolting), PED 2014/68/EU. Third-party inspection by TUV, Lloyd's, BV, DNV, SGS, and Intertek arrangeable on order.

Incoloy, Nickel-Iron-Chromium Alloys

Incoloy is the family of nickel-iron-chromium alloys positioned between stainless and Inconel. Combines high-temperature strength of nickel alloys with iron-substitution cost savings.

Incoloy 800 / 800H / 800HT are the most widely specified for furnace fixtures and steam-superheater bolting up to 1100°C. Incoloy 825 adds Mo + Cu for sulfuric and reducing-acid service. Incoloy 925 is age-hardenable for high-strength sour-service.

Incoloy fasteners ship per ASTM B408 (rod/bar) and B564 (forged) with EN 10204 3.1 / 3.2 certification including ASTM G28 intergranular corrosion testing.

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